A4 Score your own capability or knowledge in the following areas in terms of your current role requirements (1-. 3 = poor, 4-6 = satisfactory, 7-9 = good, 10 = excellent). If appropriate bring evidence with you to the appraisal. to support your assessment.
A black hairy tongue is caused by too much bacteria or yeast growth in the mouth: the bacteria build up on tiny rounded projections called papillae. These lie along the surface of the tongue. Instead of shedding as they normally do, the papillae start to grow and lengthen, creating hair-like projections.
Whether you are a person of color or not, areas of gray and black in the soft tissues can also be due to amalgam tattoo (silver filling material under the surface of the tissue for which the clinical course is observation) or something more serious. I limited my answer to the soft tissues of the inside of mouth.